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MPQ8632 Datasheet(PDF) 9 Page - Monolithic Power Systems

Part # MPQ8632
Description  High Efficiency 18V Synchronous Step-down Converter Family for 4A to 20A
PDF  47 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPQ8632 Datasheet(HTML) 9 Page - Monolithic Power Systems

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MPQ8632 HIGH EFFICIENCY 18V SYNCHRONOUS STEP-DOWN CONVERTER FAMILY FOR 4A TO 20A
MPQ8632 Rev.1.26
www.MonolithicPower.com
9
6/7/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, TJ = -40C to +125C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Timer
One-Shot On Time
TON
RFREQ=453kΩ, VOUT=1.2V
250
ns
Minimum On Time
(6)
TON_MIN
ns
20
30
40
Minimum Off Time
(6)
TOFF_MIN
MPQ8632GLE-10
50
100
150
ns
Other parts
200
360
420
Over-voltage and Under-voltage Protection
OVP Latch Threshold
(6)
VOVP LATCH MPQ8632GLE-10
127%
130%
133%
VFB
UVP Threshold
(6)
VUVP
47%
50%
53%
VFB
Reference And Soft Start
Reference Voltage
VREF
TJ = 0°C to +70°C
608
611
614
mV
TJ = 0°C to +125°C
605
611
617
mV
TJ = -40°C to +125°C
602
611
620
mV
Feedback Current
IFB
VFB = 611mV
50
100
nA
Soft Start Charging Current
ISS
VSS=0V
16
20
25
μA
Enable And UVLO
Enable Input Low Voltage
VILEN
1.1
1.3
1.5
V
Enable Hysteresis
VEN-HYS
250
mV
Enable Input Current
IEN
VEN = 2V
0
μA
VEN = 0V
0
VCC Regulator
VCC Under Voltage Lockout
Threshold Rising
VCCVth
3.8
V
VCC Under Voltage Lockout
Threshold Hysteresis
VCCHYS
500
mV
VCC Regulator
VCC
4.8
V
VCC Load Regulation
Icc=5mA
0.5
%
Power Good
Power Good High Threshold
PGVth-Hi-Rise FB from low to high
86%
90%
94%
VFB
PGVth-Hi-Fall FB from high to low
109%
VFB
Power Good Low Threshold
PGVth-Lo-Rise FB from low to high
116%
120%
124%
VFB
PGVth-Lo-Fall FB from high to low
80%
VFB
Power Good Lower to High Delay
PGTd
2.5
ms
Power Good Sink Current
Capability
IOL
VOL=600mV
12
mA
Power Good Leakage Current
IPG LEAK
VPG = 3.3V
10
nA



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